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Video & On-Demand

CppCon 2022 Cute Approach for Polymorphism in C++ -- Liad Aben Sour Asayag

By Blog Staff | Jun 13, 2023 02:52 PM | Tags: None

Registration is now open for CppCon 2023! The conference starts on October 1 and will be held in person in Aurora, CO. To whet your appetite for this year’s conference, we’re posting videos of some of the top-rated talks from last year's conference. Here’s another CppCon talk video we hope you will enjoy – and why not register today for CppCon 2023!

Lightning Talk: Cute Approach for Polymorphism in C++

by Liad Aben Sour Asayag

Summary of the talk:

I will talk about some tricks on how to stay generic and have good performance, while using polymorphism and virtual methods. Using aggregation.

CppCon 2022 What’s New in C++23 -- Sy Brand

By Blog Staff | Jun 9, 2023 09:48 AM | Tags: None

What’s New in C++23

by Sy Brand

Summary of the talk:

C++23 comes with a host of language and library features to simplify your code, make it more expressive, and give you more power to play with. With the help of my cats, I’ll walk you through the majority of upcoming features, showing you how they can work together and what benefits you’ll gain from upgrading when the time comes.

CppCon 2022 The Future of C++ -- Neil Henderson

By Blog Staff | Jun 7, 2023 02:43 PM | Tags: None

Lightning Talk: The Future of C++

by Neil Henderson

Summary of the talk:

Hopefully a light-hearted, comedic and entertaining look at the future of C++ from an Australian perspective.

CppCon 2022 Reflection in C++ - Past, Present, and Hopeful Future -- Andrei Alexandrescu

By Blog Staff | Jun 5, 2023 02:39 PM | Tags: None

Reflection in C++ - Past, Present, and Hopeful Future

by Andrei Alexandrescu

Summary of the talk:

Aspect Oriented Programming. Metaobject protocols. Intentional programming. AspectC++. OpenC++. C++ metaclasses. Reflection and related technologies already has a long history in the theory and practice of several programming languages, including C++. However, the lofty promises of the 1990s (user-defined language semantics, infinite configurability, ultimate code reuse) failed to materialize in mainstream success.

Within the standard C++ realm, a reflection proposal has had a long and meandering road that is finally converging. Will it be successful? Why is this time different? And most importantly, what's in it for the community - what compelling applications are at the horizon to justify the addition to an already large language core?

This talk explores these questions and several related others. Although you won't take home code and insights that you can put to work tomorrow, you will acquire something that is less urgent but arguably more important: a vision of a better way of writing programs. Think generic programming without the pain, high-leverage generic code, seamless integration with foreign languages, and much more.

CppCon 2022 find-move-candidates in Cpp -- Chris Cotter

By Blog Staff | Jun 2, 2023 02:34 PM | Tags: None

Lightning Talk: find-move-candidates in C++

by Chris Cotter

Summary of the talk:

A clang tool to automatically find code that should use std::move to reduce unnecessary copies.

CppCon 2022 Finding the Average of 2 Integers -- Tomer Vromen

By Blog Staff | May 31, 2023 02:27 PM | Tags: None

Lightning Talk: Finding the Average of 2 Integers

by Tomer Vromen

Summary of the talk:

I'm going to discuss the (a+b)/2 problem - not the midpoint problem (for which Marshal is an expert) but rather the one with a possibly fractional result. It will be a quick taste of the limits of using floating points to represent integers.

CppCon 2022 How Microsoft Uses C++ to Deliver Office - Huge Size, Small Components -- Zachary Henkel

By Blog Staff | May 26, 2023 02:06 PM | Tags: None

How Microsoft Uses C++ to Deliver Office - Huge Size, Small Components

by Zachary Henkel

Summary of the talk:

Office is one of the largest and longest-lived C++ codebases in the world. Over 40 years Office has evolved from a single application written in C for DOS to a product containing over 100M lines of C++ code targeting more than a dozen platforms. What are the implications of growing to this size and what sort of engineering is required? In this talk I’ll give a glimpse behind the curtain on the C++ engineering and architecture in Office. In addition to sharing some details on the scale of Office, I’ll describe the design and coding standards used to create well-factored components that we have termed liblets.

CppCon 2022 Back to Basics: C++ API Design -- Jason Turner

By Blog Staff | May 25, 2023 01:42 PM | Tags: None

Back to Basics: C++ API Design

by Jason Turner

Summary of the talk:

Let’s face it: writing a C++ API can be a daunting task. You recognize that APIs are a critical aspect of your code, and you’d like to provide your users with a great experience, but how?

This talk will focus on one key aspect: "Making APIs Hard to Use Wrong." How do we design APIs that help, instead of hurt, our users?

CppCon 2022 10 Tips for Cleaner C++ 20 Code -- David Sackstein

By Blog Staff | May 23, 2023 06:21 AM | Tags: None

10 Tips for Cleaner C++ 20 Code

by David Sackstein

Summary of the talk:

The objective of this session is to provide guidelines and tips that will help the audience write readable, testable and extensible code with modern C++.

One of the greatest challenges we face, as programmers, is to make sure that our code can be understood and used by our colleagues - and not only by the compiler.

As the complexity of C++ increases, the compiler is able to deduce and optimize more of our code, but often at the cost of making it more obscure for our colleagues. Code that is difficult to read is difficult to test, to maintain and to extend.

In the session, I propose to help the audience understand the core problems that we introduce as our programming becomes more advanced, and how we can avoid them. The main part of the session will discuss some fairly complex and advanced C++ code which is difficult to understand. I will then demonstrate 10 easily applicable tips to make it easier to understand and to test. The benefits will be clearly evident.

There will also be a short discussion with the audience to increase the confidence that the guidelines and the tips are readily applicable in their own diverse projects.

More than a rehash – Joaquín M. López in Madrid at Using std::cpp

By Jordi Mon Companys | May 23, 2023 03:35 AM | Tags: community

In this talk, Joaquín will invite you to look under boost::unordered_flat_map's hood with him and learn about this container's data structure, its key design elements and how it compares with other top-performance C++ hashmaps both in theory and in practice.

More than a rehash – Joaquín M. López in Madrid at Using std::cpp
by Joaquín M. López

From the talk:

Boost 1.81 (Dec 2022) released boost::unordered_flat_map, a hashmap (unordered associative container in C++ parlance) that relies on open addressing and SIMD techniques to provide extremely high performance. In this talk, Joaquín will invite you to look under boost::unordered_flat_map's hood with him and learn about this container's data structure, its key design elements and how it compares with other top-performance C++ hashmaps both in theory and in practice. The talk finishes with a teaser on concurrent hashmaps arriving as part of your Boost update later this year. Deck and note can be found here.